Titan is believed to be the only body in _____ solar system other than the Earth with liquid on ______ surface.
I was still sleeping when the fire______, and then it spread quickly.
Unfortunately, the soldier died____ a wound in the chess.
As I met him, I didn’t _____him, for we haven’t seen each other for many years.
Sichuan province ______by the earthquake,causing difficulties to the post-festival road transport.
The government declared the ban____ everyone must go to the front.